.swiper-wrapper .swiper-slide:nth-child(1) {
  background: url(../images/daohangye/1.png) no-repeat;
  background-size: 100% 100%;
  width: 100%;
  height: 100%;
}
.swiper-wrapper .swiper-slide:nth-child(2) {
  background: url(../images/daohangye/2.png) no-repeat;
  background-size: 100% 100%;
  width: 100%;
  height: 100%;
}
.swiper-wrapper .swiper-slide:nth-child(3) {
  background: url(../images/daohangye/3.png) no-repeat;
  background-size: 100% 100%;
  width: 100%;
  height: 100%;
  position: relative;
}
.swiper-wrapper .swiper-slide:nth-child(3) a span {
  width: 30%;
  height: 30px;
  color: limegreen;
  position: absolute;
  top: 85%;
  left: 40%;
}
